The FIA has announced the validation of the 2026 engine regulations. In fact, this regulation affects the three regulations in place in F1. Here are the details of what will change, via the translation of the document that accompanied the announcement of the day.
Fully sustainable fuel is the cornerstone of the 2026 regulations. All fuel components must be sourced sustainably, whether non-agrifood, genuine municipal waste or carbon capture. This ensures that no new fossil carbon will be present in the fuels used in Formula 1 and therefore no new fossil carbon will be released into the atmosphere via Formula 1 exhaust.
The fuel regulations encourage the use of any sustainable production method without detriment to track performance. Fuel suppliers can therefore use Formula 1 as a step in their own journey towards global and commercial mainstreaming of sustainable technologies.
The internal combustion engine will retain the structure of the 1.6-liter V6 with the same rpm, but with a reduced fuel flow to reach a power of around 400 kW. The ICE will be broadly divided into two parts:
The goal is for internal combustion engine competition to focus primarily on the upper end, with the lower end being more dimensionally regulated and subject to longer homologation periods.
A series of standardization and simplification measures have been developed for the entire ICE in order to reduce costs.
The power of the ERS will be increased to 350 kW. This will be a key area of competition among engine manufacturers, with an emphasis on managing the flow of energy to achieve the essential goals of show, increased hybridization and overall performance similar to that of the current power unit.
General layout of the power unit
The positioning of key power unit components is more restrictive in the 2026 rulebook so as not to lock in long-term advantages or disadvantages. A range has been defined for the reference volumes, in which each element of the power unit must fall.
Each year, each pilot will be able to use:
For the first year of this new regulation (2026), these figures will be increased by one unit.
For reasons of cost control, clear definitions are given to the different power unit test benches that can be used by an engine manufacturer for the development of its engines. The potential benchmarks (and the maximum number each power unit manufacturer can use) are as follows:
The number of operational hours that engine manufacturers can devote to their development is limited in order to control costs, according to the following table:
The 2026 FIA F1 Power Unit Financial Regulations have been developed by the FIA with assistance from Deloitte LLP. Deloitte LLP has issued a Certification Report confirming that the 2026 FIA F1 Power Unit Financial Regulations are adequate to achieve the objectives illustrated below.
Objectives and level of the budget ceiling
The Regulation will enter into force from January 1, 2023 to help achieve the following objectives:
The main categories of costs incurred by engine manufacturers and excluded from the calculation of Relevant Costs are as follows:
A Procedural Infringement will result in Financial Penalties or Minor Sporting Penalties (if there are aggravating factors).
Minor Overspending (<5% of Budget Cap) will result in Financial Penalties and/or Minor Sporting Penalties
Excess Material Expenditure (>=5% of Budget Ceiling) will result in mandatory Championship point deductions (of Manufacturers and/or Drivers) and any other Financial Penalty and/or Material Sporting Penalty.
A Non-Submission Violation will result in Mandatory Constructors’ Championship Point Deductions and any other Financial Penalties and/or Material Sporting Penalties.
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